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geez...you guys been on this for awhile, good for you. maybe Mary been lurking.
I didn't think this was the problem with yours? I though yours was messing up even with a utility trailer connected? This is a problem with campers with solar installed. The solar charger raises the voltage on the trailers house batteries higher then the trucks batteries while driving. Which causes the truck to disable the connection.Well gaaawwwwwdddd damn!
It even has a picture of my truck.
I have no idea cause it hasn't been fixed on mine. Fucking lazy dealers just tell you it works on our simulator, it must be your trailer. The trailer brakes always work anyway, but the truck doesn't think they are working because it's grounding out the circuit as described in the TSB.I didn't think this was the problem with yours? I though yours was messing up even with a utility trailer connected? This is a problem with campers with solar installed. The solar charger raises the voltage on the trailers house batteries higher then the trucks batteries while driving. Which causes the truck to disable the connection.
I think it is just a typo. Pretty sure they meant 2020 through 2024 model year. They changed the part number in 10\23. So basically any truck built between 2019-2023 is subject to it. I would try a different dealer. It's a well known issue at this point. I don't think dealers test setup replicates the problem. But they should be able to find the service bulletin pretty easily. Or better yet search for it your self and print it off. Take it with you to the dealer and hand it to them, lol.Mine's a 2022 and has this same issue. Not sure why they are only picking those specific years for it. The recall on the brake control did not fix my problem, but dealer told me its working fine.
Update… no issues towing my 7x12 tandem with breaks, have towed it twice now with multiple start/stop cycles.I have only towed a 5x10 single axle utilty trailer with an atv with mine so far, but plan to use my 12ft tandem axle utility trailer with brakes to take my Polaris General xp4 in for some warranty work in the next week or two. My truck was built in Mar or Apr 2024, so hoping no issues.
None of my trailers had solar charging and I've had random issues. They do have batteries for travel trailer and emergency brakes. I don't think the issue is exclusive to trailers with a charging mechanism.Just wondering if anyone has figured out a way to address this? It sounds like most Chevy dealers are going to insist that it's fixed by the recall service and blame the issue on the trailer.
On the Airstream forum, some folks said they could prevent it from happening by disconnecting the solar controller while driving (using the Victron iOS app). While it's good to know there's a backup plan, that's not an optimal long-term solution.
I've also read that some people have installed this diode to prevent the trailer from back-feeding to the truck. But I haven't been able to find any information about how to do that install or how effective it is.